Add HDMI video output support.
Signed-off-by: Dmitry Lifshitz <lifsh...@compulab.co.il>
Acked-by: Igor Grinberg <grinb...@compulab.co.il>
---
v2:
* Fix HDMI lanes polarity
* Reformat subject
arch/arm/boot/dts/am57xx-sbc-am57x.dts | 42 ++++++++++++++++++++++++++++++++++
1 file changed, 42 insertions(+)
diff --git a/arch/arm/boot/dts/am57xx-sbc-am57x.dts
b/arch/arm/boot/dts/am57xx-sbc-am57x.dts
index 8e4c0fd..77bb8e1 100644
--- a/arch/arm/boot/dts/am57xx-sbc-am57x.dts
+++ b/arch/arm/boot/dts/am57xx-sbc-am57x.dts
@@ -18,6 +18,7 @@
aliases {
display0 = &lcd0;
+ display1 = &hdmi;
};
};
@@ -60,6 +61,19 @@
DRA7XX_CORE_IOPAD(0x3564, PIN_OUTPUT | MUX_MODE14)
/* vin2a_vsync0.gpio4_0 */
>;
};
+
+ hdmi_pins: pinmux_hdmi_pins {
+ pinctrl-single,pins = <
+ DRA7XX_CORE_IOPAD(0x3808, PIN_INPUT | MUX_MODE1)
/* i2c2_sda.hdmi1_ddc_scl */
+ DRA7XX_CORE_IOPAD(0x380c, PIN_INPUT | MUX_MODE1)
/* i2c2_scl.hdmi1_ddc_sda */
+ >;
+ };
+
+ hdmi_conn_pins: pinmux_hdmi_conn_pins {
+ pinctrl-single,pins = <
+ DRA7XX_CORE_IOPAD(0x37b8, PIN_INPUT | MUX_MODE14)
/* spi1_cs2.gpio7_12 */
+ >;
+ };
};
&uart3 {
@@ -135,3 +149,31 @@
};
};
};
+
+&hdmi {
+ status = "ok";
+ vdda-supply = <&ldo4_reg>;
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&hdmi_pins>;
+
+ port {
+ hdmi_out: endpoint {
+ remote-endpoint = <&hdmi_connector_in>;
+ lanes = <1 0 3 2 5 4 7 6>;
+ };
+ };
+};
+
+&hdmi_conn {
+ pinctrl-names = "default";
+ pinctrl-0 = <&hdmi_conn_pins>;
+
+ hpd-gpios = <&gpio7 12 GPIO_ACTIVE_HIGH>;
+
+ port {
+ hdmi_connector_in: endpoint {
+ remote-endpoint = <&hdmi_out>;
+ };
+ };
+};
--
1.9.1
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